Pith Number

pith:F7734FPB

pith:2018:F7734FPBA7H6JBCP74IRR5JFKZ

not attested not anchored not stored refs pending

Realization of shift graphs as disjointness graphs of 1-intersecting curves in the plane

Bartosz Walczak, Torsten M\"utze, Veit Wiechert

arxiv:1802.09969 v1 · 2018-02-27 · math.CO · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7734FPBA7H6JBCP74IRR5JFKZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:22:21.760133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fffbe15e107cfe4844fff1118f5255642cbcf2ee59a36e46ead8d6b29aee5c9

Aliases

arxiv: 1802.09969 · arxiv_version: 1802.09969v1 · doi: 10.48550/arxiv.1802.09969 · pith_short_12: F7734FPBA7H6 · pith_short_16: F7734FPBA7H6JBCP · pith_short_8: F7734FPB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/F7734FPBA7H6JBCP74IRR5JFKZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2fffbe15e107cfe4844fff1118f5255642cbcf2ee59a36e46ead8d6b29aee5c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d7b6090012c677a65ae1aa0c535f1d8af6704a0ad5578e51a8de2d639dd4f08",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-02-27T15:39:27Z",
    "title_canon_sha256": "eb1befcc48eaa368625adcb2bb089b878e5bddc5050050434416a8ec48f683a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09969",
    "kind": "arxiv",
    "version": 1
  }
}